Forms - Any way to get the URL of a sibling form?

[AndyR]

Hello All,

I have a basic form set up and anytime I try to reference the bottom frame location or other properties I get the access denied error. (example below)

Does anyone know of a way I can access that URL?

Thanks in advance,

AndyR

Example:
This is the onclick event for a button. It attempts to sets the URL text input field to the document.URL of its sibling frame. Returns the error.
javascript:document.test.URL.value=parent.bottomframe.document.URL